How much is the total population of whole world?

World population (millions ( 1million is equal to 10lakhs), UN estimates)[15]
# Top ten most populous countries 2000 2015 2030[A]
1  China[B] 1,270 1,376 1,416
2  India 1,053 1,311 1,528
3  United States 283 322 356
4  Indonesia 212 258 295
5  Pakistan 136 208 245
6  Brazil 176 206 228
7  Nigeria 123 182 263
8  Bangladesh 131 161 186
9  Russia 146 146 149
10  Mexico 103 127 148
World total 6,127 7,349 8,501